HIGHCVSS 7.5Actively exploited · CISA KEV since 2026-07-15Vulnerability
CVE-2023-4346
KNX Association KNX Protocol Connection Authorization Option 1 contains an overly restrictive account lockout mechanism vulnerability that could allow an attacker to purge all devices without additional security options enabled and set a BCU key to lock the device.
Properties
- Euvd product
- KNX Protocol Connection Authorization Option 1
- Vulnerability name
- KNX Association KNX Protocol Connection Authorization Option 1 Overly Restrictive Account Lockout Mechanism Vulnerability
- First seen
- 2026-07-16T03:55:23+00:00
- Cvss score
- 7.5
- Epss score
- 0.01294
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2026-07-29
- Euvd assigner
- icscert
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2026-07-15T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2026-07-15
- Score
- 7.5
- Euvd base score version
- 3.1
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- KNX Association
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 7.5
Related Entities (4)
AFFECTS_PRODUCT (1)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
Explore deeper with Ninja Signal's threat intelligence graph